Back and seat for a chair



FIG. 1 is a perspective view showing the right side, top and front of a back and seat for a chair which forms my new design;

FIG. 2 is a perspective view showing the left side, top and rear thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The long broken lines in the figures depict portions of the back and seat for a chair that form no part of the claim.

The short broken lines in the figures are understood to represent stitching which form part of the claim. 

CLAIM The ornamental design for a back and seat for a chair, as shown and described. 